摘要:
List Operators: sort reverse grep map my @castways = sort qw( first second third); # qw 给单词自动加上双引号 grep: 从list中一个一个的取出,然后添加到$_中,然后通过测试标量的值,为true的话添加到输出列表中 some example: my @lunch_choices = grep &is_edible($_), @gilligans_posessions my @results = grep EXPR,@input_list; my @bigger_t... 阅读全文